Chapter 7 Designing Vertically Using Profiles

Now that the paths of the roads have been established as alignments representing their centerlines, we’ll look at the answers to these questions: What will it be like to travel along those paths? Will the terrain be steep or flat? Will it change much from one end of the road to the other? Will it require earth to be moved to smooth out the bumps in the road?

In Chapter 4, “Modeling the Existing Terrain Using Surfaces,” you learned how existing ground surfaces can be used to analyze the shape of the ground. Although surfaces can be quite effective for this purpose, you’re looking for something that tells you specifically what the terrain is like in relation to the road alignment. Once you have ...

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